A self-adaptive biogeography-based algorithm to solve the set covering problemBroderick Crawford, Ricardo Soto, Rodrigo Olivares, Luis Riquelme, Gino Astorga, Franklin Johnson, Enrique Cortés, Carlos Castro and Fernando ParedesRAIRO-Oper. Res., 53 3 (2019) 1033-1059DOI: https://doi.org/10.1051/ro/2019039